Member of programming team for Deep Blue, which defeated World
Champion Garry Kasparov in a game (1996) and in a match 3.5/6 (New York
1997), the first time these feats have ever been accomplished
against a reigning World Champion

Here is Deep Blue's first win over World Champion Garry Kasparov, the first
time that a computer beat a reigning World Champion:

Here is Deep Blue's win over World Champion Garry Kasparov, in a game which
Deep Blue team member GM Joel Benjamin, referring to the move 37.
Be4, claimed (in the 2003 film Game Over: Kasparov and the
Machine) was the first game in which a computer showed that it
could play Grandmaster level chess:

Defeated Johannes Zukertort in a simultaneous exhibition given by
Zukertort in Ottawa, Ontario 1884

Organized first two Canadian correspondence tournaments 1873-4, 1874-5

Canadian Chess Hall of Fame 2007

Sources: Chess Player’s Chronicle 1884.03.12 p.321-2; Hamilton Spectator 1872.09.25;
University of Toronto Archives; plaque on University of Toronto main campus marking the site of the Magnetic and Meteorological Observatory (1840-1908); Suzanne Zeller, Dictionary of Canadian Biography, 1901-1910 (Volume XIII), University of Toronto/Université Laval, 2000.